What is CVE-2015-7512?

CVE-2015-7512 is a critical-severity vulnerability in Oracle Linux, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.0/10. Published 2016-01-08.

How severe is CVE-2015-7512?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Is CVE-2015-7512 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Oracle Linux

CVE-2015-7512

Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.

Vulnerability class: Buffer Overflow

EPSS: 0.211 (95.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Oracle Linux — versions 6
Qemu — versions 2.5.0
Debian Debian_linux — versions 7.0, 8.0
Redhat Enterprise_linux_desktop — versions 6.0
Redhat Enterprise_linux_eus — versions 6.7
Redhat Enterprise_linux_server — versions 6.0
Redhat Enterprise_linux_workstation — versions 6.0
Redhat Openstack — versions 5.0
Redhat Virtualization — versions 3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

RHSA-2015:2694 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
[oss-security] 20151130 CVE-2015-7512 Qemu: net: pcnet: buffer overflow in non-loopback mode (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
secalert@redhat.com (x_refsource_CONFIRM)
DSA-3469 (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
DSA-3470 (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
78230 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID)
1034527 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK)
DSA-3471 (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
GLSA-201602-01 (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2015-7512?: CVE-2015-7512 is a critical-severity vulnerability in Oracle Linux, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.0/10. Published 2016-01-08.
How severe is CVE-2015-7512?: Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2015-7512 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.